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Mirrors > Home > NFE Home > Th. List > pm2.61ian | Unicode version |
Description: Elimination of an antecedent. (Contributed by NM, 1-Jan-2005.) |
Ref | Expression |
---|---|
pm2.61ian.1 |
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pm2.61ian.2 |
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Ref | Expression |
---|---|
pm2.61ian |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.61ian.1 |
. . 3
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2 | 1 | ex 423 |
. 2
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3 | pm2.61ian.2 |
. . 3
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4 | 3 | ex 423 |
. 2
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5 | 2, 4 | pm2.61i 156 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-an 360 |
This theorem is referenced by: 4cases 915 consensus 925 sbcom 2089 ax11indalem 2197 phi11lem1 4596 xpcan2 5059 |
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